.hamburger {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  background: var(--primary-gradient);
  border: none;
  padding: 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.hamburger:hover {
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}

@media (min-width: 481px) {
  .hamburger {
    left: calc(50% - 228px);
  }
}

.hamburger:active {
  transform: scale(0.95);
}

.hamburger span {
  width: 24px;
  height: 3px;
  background: white;
  border-radius: var(--radius-full);
  transition: all var(--transition);
}